Net income rose to $6.4 billion, or $3,889 per Class A share, from $4.54 billion, or $2,763 per share, a year earlier.

Quarterly operating profit rose 11 percent to $4.33 billion, or $2,634 per Class A share, from $3.92 billion, or $2,384 per share.

Analysts on average expected operating profit of $2,482 per Class A share, according to Thomson Reuters I/B/E/S. Book value per share, Buffett's preferred measure of growth, has risen 5.6 percent this year to $142,483.

(Reporting by Luciana Lopez in Grand Lake Stream, Maine and Jonathan Stempel in New York; Editing by David Gregorio)